This circuit can be used in measurement bridges. We found it in the September 1995 Electronics Now magazine. The meter can be from 50 uA to 1 mA and the power supply is simple.
This circuit warms a light bulb slightly so that the wind through it alters the filament...
This circuit is based on the Linear Technology LT1495 and was found in a 2005 manual. The circuit...
The circuit illustrated in the figure can be used to detect earthquakes or vibrations of...